Volumes reported by OEMs are mixed thanks to the seasonal lull in sales seen during monsoons. Year-on-year performance is positive, especially for the passen. 2019. 1. 23. · Import the contacts into the shared mailbox via Powershell and then create the contact group after the import. If you have an issue doing this I would consider temporarily converting the mailbox to a regular mailbox with credentials and then Powershelling the CSV directly into the mailbox, where again you can then create the contact group in your Outlook.